Add 21/48 and 21/5
1st number: 21/48, 2nd number: 4 1/5
21/48 + 21/5 is 371/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 5 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 5 × 48 = 240,
21/5 = 21 × 48/5 × 48 = 1008/240 - Add the two like fractions:
105/240 + 1008/240 = 105 + 1008/240 = 1113/240 - 1113/240 simplified gives 371/80
- So, 21/48 + 21/5 = 371/80
In mixed form: 451/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/48+21/5 21/48+42/5 21/96+21/5 21/48+21/10 63/48+21/5 21/48+63/5 21/48+21/15 21/48+21/25 21/48+21/35